1. Knowledge Organiser – Cell Structure
Key Terms
Knowledge Organiser – Cell Structure
Diagrams
Eurakryotic cells
Cells that contain a nucleus
Eukaryote
An organism that is made of eukaryotic cells
Prokaryotic cells
Single-celled organisms that do not contain a nucleus
DNA
Deoxyribonucleic acid – the genetic information found in all living orgnanisms
Ribosome
A cell organelle that makes proteins
Respiration
The release of energy from glucose
Diffusion
The net movement of particles form an area of high concentration to an area of lower concentration
Organelle
A part of a cell with a specific function
Mitochondrion
A cell organelle in which respiration occurs
Chloroplast
A cell organelle in which photosynthesis occurs
Cytoplasm
Jelly like substance in cells where chemical reactions occur
Nucleus
A cell organelle found in eukaryotes containing their genetic material
Cell membrane
Structure surrounding the cell that controls what moves in and out of the cell
Vacuole
Found in plant cells, filled with cell sap, keeps the cell turgid
Cell wall
Made from cellulose and provides structural strength the some cells (not animal cells)
Photosynthesis
Chemical reaction that happens in chloroplasts that stores energy in glucose
Turgid
Describes a swollen cell
Biconcave
Describes a shape with a dip that curves inwards on both sides
Ova
Eggs
Axon
The extension of a nerve cell along which the electrical impulses travel
Phloem
Tubes of living cells that carry sugars to all cells in plants
Xylem
Tubes of dead plant cells through which water flows
Electron microscope
A microscope that uses electrons in place of light to give higher magnification
Resolution
The smallest distance between two seperate points